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Default Load in RTL Compiler

GreenGraphene
I am creating Standard Cell library. I have generated my own library file. I havent included LEF in the RTL compiler.
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1 )When i estimate power my RTL compiler does produce a result but I am uncertain of which load it is assuming d what toggle rate or stimuli is being considered...
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2) I want to set a default output pin capacitance that my RTL compiler would follow. Is it possible. ?

I think we can define load thru sdc (am i ryt ?) .... Instead of manually definign the load thru sdc files is it ok if i simply change the set_output_max_capaicantce to my desired load  in my already generated library file??
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3) should the characterization be performed  after such a load definition. ?? or delaring such load is as simple as a dummy argument assigned to the RTL compiler... 

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